Latest NHC shows average path threading the needle between Cuba and the Keys and heading NW in the general direction of New Orleans. On the one hand, > 3 day predictions are notoriously unreliable. On the other hand, NHC has been impressive this year with > 3 day predictions. If I was in the N Gulf of Mexico, I'd be getting a) worried depressed. Particularly given that strengthening is expected late day 3 onwards, possibly rapid.
If the ridge around Florida holds, it'll keep the hurricane going more Westerly, which would at least spare New Orleans and the 150 miles each side of it. Official forecasts suggest that ridge will weaken, hence the trend to a NW direction.
Here's hoping they're off, for the sake of the New Orleanians. I imagine the MS, LA, AL and TX governors must be starting to get a bit twitchy.